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Watts ASME Water Pressure Relief Valve, 374A 30# 3/4" (0358553)

Watts ASME Water Pressure Relief Valve, 374A 30# 3/4" (0358553)

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Watts ASME Water Pressure Relief Valve, 374A 30# 3/4" (0358553)

Series 374A Boiler Pressure Relief Valves are used in hot water boiler applications to protect against excessive pressure on all types of hot water heating boiler equipment. It consists of an iron body construction with forged bronze inlet connections, non-metallic disc-to-metal seating, stainless steel spring, and test lever. Series 374A resists corrosive water conditions, sticking and freezing, and prevents water and sediment from being trapped in the seat. It is designed for emergency safety relief and shall not be used as an operating control. Standard Pressure Setting: 30psi (206.9 kPa), Pressure range: rated up to 550,000 BTU/hr at a 30psi (2 bar) setting only.

Watts ASME Water Pressure Relief Valve, 374A 30# 3/4" (0358553) Features:
• 3/4 in. (20mm)
• Seat located above drain; water can't be trapped and sediment can't foul seat.
• Non-mechanical seat-to-disc alignment will not stick or freeze.
• Water seal of high temperature resisting material isolates spring working parts from water during relief.


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